5951 to 6000 MCQs for Lab Technician and Technologist Exam Preparation
5000 Plus MCQs for Lab Technician and Technologists are designed to test the knowledge and proficiency of laboratory professionals who work in the field of clinical laboratory science. These questions cover a wide range of topics related to laboratory science, including anatomy, physiology, microbiology, chemistry, and hematology.
If You like then share this to your friends and other social media.
If You have any question and suggestions then please Contact us Here
Questions 5951 to 6000
- The β-lipoprotein fraction increases in severe
- Diabetes Mellitus ✔
- Uremia
- Nephritis
- Muscular dystrophy
- ∆9 indicates a double bond between carbon atoms of the fatty acids:
- 8 and 9
- 9 and 10
- 9 and ✔
- 9 and 12
- The number of carbon atoms in decanoic acid present in butter:
- 6
- 8
- 10 ✔
- 12
- Arachidonic acid contains the number of double bonds:
- 2
- 3
- 4 ✔
- 5
- The prostaglandins are synthesized from
- Arachidonic acid ✔
- Oleic acid
- Linoleic acid
- Linolenic acid
- Cholesterol is a
- Animal sterol
- M.F. C27 H46O
- 5 methyl groups
- All of these ✔
- Waxes contain higher alcohols named as
- Methyl
- Ethyl
- Phytyl
- Cetyl ✔
- Lieberman-Burchard reaction is performed to detect
- Cholesterol ✔
- Glycerol
- Fatty acid
- Vitamin D
- Lipose present in the stomach cannot hydrolyze fats owing to
- Alkalinity
- Acidity
- High acidity ✔
- Neutrality
- Fatty acids are oxidized by
- α -oxidation
- β -oxidation
- ω -oxidation
- All of these ✔
- The fatty acids containing even number and odd number of carbon atoms as well as the unsaturated fatty acids are oxidized by
- α-oxidation
- β-oxidation
- ω-oxidation
- All of these ✔
- Long chain fatty acids are first activated to acyl CoA in the
- Cytosol ✔
- Mitochodria
- Ribosomes
- Microsome
- Long chain acyl CoA penetrates mitochondria in the presence of
- Palmitate
- Carnitine ✔
- Sorbitol
- DNP
- Acyl-CoA dehydrogenase converts Acyl CoA to α-β unsaturated acyl-CoA in presence of the coenzyme:
- NAD+
- NADP+
- ATP
- FAD ✔
- For the activation of long chain fatty acids the enzyme thiokinase requires the cofactor:
- Mg++ ✔
- Ca++
- Mn++
- K+
- ω-oxidation takes place by the hydroxylase in microsomes involving
- Cytochrome b
- Cytochrome c
- Cytochrome p-4500 ✔
- Cytochrome a3
- Carboxylation of acetyl—CoA to malonyl — CoA takes place in presence of
- FAD+
- Biotin ✔
- NAD+
- NADP+
- Malonyl-CoA reacts with the central
- —SH group ✔
- —NH2 group
- —COOH group
- —CH2OH group
- Fatty acid synthesis takes place in the presence of the coenzyme:
- NAD+
- Reduced NAD
- NADP+
- Reduced NADP ✔
- Fatty acids are activated to acyl CoA by the enzyme thiokinase:
- NAD+
- NADP+
- CoA ✔
- FAD+
- Phospholipids help the oxidation of
- Glycerol
- Fatty acids ✔
- Glycerophosphates
- None of these
- The desaturation and chain elongation system of polyunsaturated fatty acids are greatly diminished in the absence of
- Insulin ✔
- Glycagon
- Epinephrine
- Thyroxine
- Prostaglandins have a common structure based on prostanoic acid which contains carbon atoms:
- 12
- 16
- 18
- 20 ✔
- The carbon chains of prostanoic acid are bonded at the middle of the chain by a
- 5-membered ring ✔
- 6-membered ring
- 8-membered ring
- None of these
- The enzyme systems for lengthening and shortening for saturating and desaturating of fatty acids occur in
- Intestine
- Muscle
- Kidney
- Liver ✔
- Which of the following are classified as essential fatty acids?
- Arachidonic acid ✔
- Oleic acid
- Acetic acid
- Butyric acid
- Prostaglandins are synthesized in the body from
- Myristic acid
- Arachidonic acid ✔
- Stearic acid
- Lignoceric acid
- All the following saturated fatty acids are present in buffer except
- Butyric acid
- Capryllic acid
- Caproic acid
- Capric acid ✔
- Saponification number is
- mg of KOH required to saponify one gm of fat or oil ✔
- mg of KOH required to neutralize free fatty acids of one gms of fat
- mg of KOH required to neutralize the acetic acid obtained by saponification of one gm of fat after it has been acetylated
- None of these
- Lipids have the following properties:
- Insoluble in water and soluble in fat solvent
- High energy content
- Structural component of cell membrane
- All of these ✔
- Carbohydrate moiety in cerebrosides is
- Glucose
- Sucrose
- Galactose ✔
- Maltose
- Which of the following is not an unsaturated fatty acid?
- Oleic acid
- Stearic acid ✔
- Linaoleic acid
- Palmitic acid
- All the following are functions of prostaglandins except
- Lowering of B.P
- Introduction of labour
- Anti inflammatory
- Prevention of myocardial infraction ✔
- Calorific value of lipids per gm is
- 4 Kcal
- 8 Kcal
- 9 Kcal ✔
- None of these
- All the following are ketones except
- Xylulose
- Ribolose
- Erythrose ✔
- Fructose
- Saponification:
- Hydrolysis of fats by alkali ✔
- Hydrolysis of glycerol by liposes
- Esterification
- Reduction
- Number of ml of 0.1 N KOH required to neutralize fatty acids from 5 gms of fat:
- Iodine number
- Polenske number
- Reichert-Miessl number ✔
- None of these
- Hydrated density of HD lipoproteins is
- 0.94 gm/ml
- 0.94–1.006 gm/ml
- 1.006–1.063 gm/ml ✔
- 1.063–1.21 gm/m
- Saponification number indicates
- Unsaturation in fat
- Average M.W of fatty acid ✔
- Acetyl number
- Acid number
- Acrolein Test is positive for
- Glycerol ✔
- Prostaglandins
- Carbohydrates
- Proteins
- Iodine number denotes
- Degree of unsaturation ✔
- Saponification number
- Acid number
- Acetyl number
- Maximum energ y produced by
- Fats ✔
- Carbohydrates
- Proteins
- Nucleic acids
- Lecithins are composed of
- Glycerol + Fatty acids + Phosphoric acid + Choline ✔
- Glycerol + Fatty acids + Phosphoric acid + Ethanolamine
- Glycerol + Fatty acids + Phosphoric acid + Serine
- Glycerol + Fatty acids + Phosphoric acid + Beaine
- Sphingomyelins are composed of fatty acids, phosphoric acid and
- Sphingosine and choline ✔
- Glycerol and sphingosine
- Glycerol and Serine
- Glycerol and Choline
- Depot fats of mammalian cells comprise mostly of
- Cholesterol
- Cholesterol esters
- Triacyl glycerol ✔
- Phospholipids
- When choline of lecithine is replaced by ethanolamine the product is
- Sphingomyelin
- Cephalin ✔
- Plasmalogens
- Lysolecithine
- Which of the following is a hydroxy fatty acid?
- Oleic acid
- Ricinoleic acid ✔
- Caproic acid
- Stearic acid
- Acrolein test is answered by
- Cholesterol
- Glycerol ✔
- Glycosides
- Sphingo
- The smell of fat turned rancid is due to
- Presence of vit E
- Presence of quinones
- Phenols
- Volatile fatty acids ✔
- Phospholipids are important cell membrane components because
- They have glycerol
- They can form bilayers in water ✔
- They have both polar and non polar potions
- They combine covalently with proteins
The questions are typically designed to assess the technical skills and knowledge required for the laboratory profession, including the ability to analyze laboratory test results, perform laboratory procedures, and maintain laboratory equipment.
To prepare for these MCQs, candidates should have a thorough understanding of the key concepts and principles of laboratory science. They should also be familiar with common laboratory equipment and procedures, as well as laboratory safety protocols.
Candidates may also benefit from studying specific laboratory science textbooks or taking online courses that cover the material tested in the MCQs. Additionally, practicing sample MCQs and reviewing the answers can help candidates identify areas where they may need to improve their knowledge or skills.
Overall, the MCQs for lab technologists are designed to be challenging and comprehensive, requiring candidates to demonstrate a high level of proficiency in the field of laboratory science.
Possible References Used
